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公路桥头跳车不但在我国公路上存在,而且在国外也是尚未完全解决的难题。作为公路养护部门,我们每年要花费相当数量的资金进行这方面的维修和养护,如常州市公路处近几年来陆续进行桥头整治的国省干线桥梁就达30多座,有些高填土桥头整治后经数年运行又出现同样病害,不得不对其进行再次整治处理,养护经费投入甚多。因此,对桥头跳车产生的原因进行分析,进而提出有效防治措施就十分必要。根据目前我国公路修建中桥涵及桥涵两端路堤设计、施工实际情况,以及
Highway bridgehead jumping not only exists on our country road, but also in foreign countries is not yet fully solved the problem. As a highway maintenance department, we spend a considerable amount of funds each year to carry out maintenance and conservation in this area. For example, there are more than 30 national and provincial trunk bridges in the Changzhou Highway that have been successively bridged in recent years. Some high-fill bridges After several years of operation and the same disease appeared, had to re-rectify their treatment, conservation funding is much. Therefore, it is very necessary to analyze the causes of the bridge jumping and put forward the effective prevention and control measures. According to the current bridge construction in China and the culverts and culverts at both ends of the embankment design and construction of the actual situation, and